Steel Beam Sizes / CISC / HSS Rectangular / HS254×203×7.9

HS254×203×7.9 Steel Beam Dimensions and Properties

CISC Rectangular HSS · v12.1

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

HS254×203×7.9 dimensions

Not to scale. Dimensions shown for reference.

Section properties

Symbols match the steel section finder. Imperial and metric values are shown side by side.

Property Imperial Metric
Weight 36.20 lb/ft 53.70 kg/m
Height 10.00 in 254.00 mm
Width 8.00 in 203.20 mm
Nominal tw 0.313 in 7.940 mm
Design tw 0.313 in 7.940 mm
Area 10.62 in² 6,850.00 mm²
Ix 154.24 in⁴ 64,200,000 mm⁴
Iy 109.31 in⁴ 45,500,000 mm⁴
Sx 30.82 in³ 505,000.00 mm³
Sy 27.34 in³ 448,000.00 mm³
Zx 36.74 in³ 602,000.00 mm³
Zy 31.55 in³ 517,000.00 mm³
rx 3.81 in 96.80 mm
ry 3.21 in 81.60 mm
J 203.25 in⁴ 84,600,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS254×203×7.9.

Lighter in Rectangular HSS

HA178×127×13

Weight
52.4 kg/m (-2.8%)
Depth
177.8 mm (-30%)
Ix
24,700,000 mm⁴ (-62%)

Heavier in Rectangular HSS

HA254×152×9.5

Weight
56.1 kg/m (+4.1%)
Depth
254.0 mm (0.0%)
Ix
55,400,000 mm⁴ (-14%)

Closest Iₓ in Rectangular HSS

HS305×152×6.4

Weight
43.5 kg/m (-19%)
Depth
304.8 mm (+20%)
Ix
67,100,000 mm⁴ (+4.5%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology